Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
080066moderately pollutedexcellent121excellent
070061moderately pollutedexcellent121excellent
060059lightly pollutedexcellent111excellent
050068moderately pollutedgood151excellent
040071moderately pollutedgood171excellent
030069moderately pollutedgood191excellent
020095heavily pollutedgood201excellent
010099heavily pollutedgood201excellent
000077moderately pollutedgood201excellent
230078moderately pollutedgood181excellent
220070moderately pollutedgood161excellent
210066moderately pollutedgood161excellent
200065moderately pollutedgood161excellent
190061moderately pollutedgood151excellent
180052lightly pollutedgood141excellent
170054lightly pollutedgood131excellent
160051lightly pollutedgood131excellent
150047lightly pollutedexcellent121excellent
140047lightly pollutedexcellent111excellent
130033goodexcellent91excellent
120026goodexcellent91excellent
110034goodexcellent81excellent
100034goodexcellent81excellent
090037lightly pollutedexcellent81excellent